型号 功能描述 生产厂家 企业 LOGO 操作

Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs

General Description The DM74LS221 is a dual monostable multivibrator with Schmitt-trigger input. Each device has three inputs permitting the choice of either leading-edge or trailing-edge triggering. Pin (A) is an active-LOW trigger transition input and pin (B) is an active-HIGH transition Schm

Fairchild

仙童半导体

LOW POWER SCHOTTKY

Dual Monostable Multivibrators with Schmitt-Trigger inputs • SN74LS221 is a Dual Highly Stable One-Shot • Overriding Clear Terminates Output Pulse • Pin Out is Identical to SN74LS123

ONSEMI

安森美半导体

74LS221 Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs

General Description The DM74LS221 is a dual monostable multivibrator with Schmitt-trigger input. Each device has three inputs permitting the choice of either leading-edge or trailing-edge triggering. Pin (A) is an active-LOW trigger transition input and pin (B) is an active-HIGH transition Sc

SYC

LOW POWER SCHOTTKY

Dual Monostable Multivibrators with Schmitt-Trigger inputs • SN74LS221 is a Dual Highly Stable One-Shot • Overriding Clear Terminates Output Pulse • Pin Out is Identical to SN74LS123

ONSEMI

安森美半导体

DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS

DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS Each multivibrator of the LS221 features a negative-transition-triggered input and a positive-transition-triggered inputeither of which can be used as an inhibit input. Pulse triggering occurs at a voltage level and is not related

Motorola

摩托罗拉

DN74LS221S产品属性

  • 类型

    描述

  • 型号

    DN74LS221S

  • 功能描述

    Logic IC

更新时间:2025-12-17 11:40:02
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI
23+
DIP16
12500
受权代理!全新原装现货特价热卖!
TI
24+
SMD
20000
一级代理原装现货假一罚十
TI
25+
SOP
2650
原装优势!绝对公司现货
HIT
24+
SOP5.2
80000
只做自己库存 全新原装进口正品假一赔百 可开13%增
TI/德州仪器
23+
SOP-5.2
3000
一级代理原厂VIP渠道,专注军工、汽车、医疗、工业、
24+
N/A
80000
一级代理-主营优势-实惠价格-不悔选择
FAIRCHILD/仙童
25+
SOP16-5.2MM
600
全新原装正品支持含税
MAT
25+
DIP
880000
明嘉莱只做原装正品现货
TI/德州仪器
23+
NA
50000
全新原装正品现货,支持订货
RENESAS(瑞萨)/IDT
24+
7350
现货供应,当天可交货!免费送样,原厂技术支持!!!

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